Kustom Checkout for WooCommerce

As Klarna Checkout transitions to Kustom Checkout, please note that parts of this documentation are still being updated. You may come across references to Klarna, outdated screenshots, or broken links.

We’re working continuously to revise all content, and we appreciate your patience during this process.

Here you will find documentation on Kustom Checkout for WooCommerce.

Technical information

Plugin data

Plugin version: 2.16.3

Last updated: 8 December, 2025

Tested with

WordPress version: 6.9

WooCommerce version: 10.3.6

Requires at least

WordPress version: 5.0

WooCommerce version: 5.6.0

PHP version: 7.4

Plugin changelog

2.16.3

Enhancement – Added 'kco_wc_available_recurring_countries' filter for limiting subscription support to certain countries.
Tweak – Declare compatibility with cart and checkout blocks.
Fix – Fixed an issue where certain subscription products were incorrectly treated as regular products.

2.16.2

Fix – Fixed an issue that caused order emails to not be sent when placed through the WooCommerce block checkout.
Fix – Fixed an issue that could happen if the thankyou page action for the gateway was triggered twice, causing the thankyou page iframe to render twice.

2.16.1

Fix – Fixed a fatal error that could occur when editing certain admin pages (e.g., Widgets) if the WooCommerce checkout block was enabled.
Fix – Fixed an issue where "Kustom Checkout is not available" was shown when paying for guest orders with shipping enabled in the iframe on the Pay for order page.
Fix – Fixed an issue where the ‘kco_wc_api_request_args’ filter was not applied when an upsell was added to the order.

View complete Changelog

Support

English: use the support form on krokedil.com to get help.

Svenska: använd supportformuläret på krokedil.se för att få hjälp.

Helpful information before you contact us can be found in the How to prepare a support ticket article.

Please note that all questions regarding a certain purchase and/or account related issues are to be directed at the Kustom Merchant Support.
Krokedil only answer technical questions or questions regarding the configuration.